90 seconds to learn how to draw a concentrated linework

Let's learn how to draw a concentrated linework like a professional manga creator just in 90 seconds!
Japanese Learning Course for JLPT N3 Level
Learn letter writing etiquette in Japanese; onchu and sama in 90 sec Learn letter writing etiquette in Japanese; onchu and sama in 90 sec
Learn about a Japanese Castle (Shiro) in 90 seconds Learn about a Japanese Castle (Shiro) in 90 seconds
90 seconds to learn about Noh - traditional art of Japan! 90 seconds to learn about Noh - traditional art of Japan!
90 seconds to learn Japanese vocabulary - Theme: Fruit! 90 seconds to learn Japanese vocabulary - Theme: Fruit!